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How many different number combinations are there for the social security system? We know that there are only a certain ammount of combinations available and the current US population is at 281 million. The number system should include as many nine digit combinations as possible using the numbers 0-9 in multiple different spots. Thank you for all of your help. I need to win this bet! Sincerely yours Chris |
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Hi Chris, A social security number is a 9 digit number and if all combinations of 9 digits were valid social security numbers the number possible would be Unfortunately the system is not that simple. There are some 9 digit numbers that are not "valid" social security numbers. I suggest that you look at http://www.searchbug.com/peoplefinder/ssn-invalid.aspx Penny |
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